Fixed bug where tooltips remain when showing dropdown menus.
Fixed #6518 and a related Formatter.js bug.
Merge pull request #276 from danchr/master

Hide tooltips when showing toolbar button menus.
Added new media_scripts option to the media plugin. This makes it possible to embed videos using script elements.
Fixed bug where the paste plugin wouldn't properly remove the paste bin element on IE if a tried to paste a file.
Fixed broken unit test scripts are now treated as non empty elements.